JP3206580U - Electrical connector - Google Patents

Abstract

An electrical connector that can be inserted in either the forward direction or the opposite direction is provided. An electrical connector includes a printed circuit board, an insulating body, a first terminal, a second terminal, and a metal cover. The insulating body includes a base and a tongue located at the tip of the base. The first terminal includes a first contact portion, a first coupling portion, a first bending portion, and a first soldering portion that are connected in order. The second terminal includes a second contact portion, a second connecting portion, a second bending portion, and a second soldering portion that are sequentially connected, and both the second contact portion and the first contact portion are fixed to the tongue portion, The first soldering portion and the second soldering portion are soldered to the printed circuit board, and the first bending portion and the second bending portion are provided between the base portion and the tongue portion. The metal cover is fixed to the outside of the insulating body, and two similar insertion spaces are formed between the tongue and the metal cover. [Selection] Figure 7

Description

  The present invention relates to connector technology, and more particularly to electrical connectors.

  Currently, a commonly used electrical connector is a USB connector. The USB connector includes a USB socket and a USB plug. The USB connector is provided with an erroneous insertion prevention structure. That is, the USB plug can be inserted into the USB socket only when the direction correspondence between the USB socket and the USB plug is accurate. However, when a user uses a USB connector, usually the direction of the USB plug is not confirmed, the USB plug is inserted into the USB socket, and the correspondence between the USB socket and the USB plug is accurate due to the response at the time of insertion. Sense if. If the direction of the USB socket is not accurate, the direction of the USB plug must be changed, which is not convenient for use.

  An object of the present invention is to provide an electrical connector that allows insertion of the electrical connector in both directions opposite to the forward direction.

  In order to solve the above-described problems, the present invention provides the following electrical connector. The electrical connector of the present invention includes a printed circuit board, an insulating body, a first terminal, a second terminal, and a metal cover. The insulating body includes a base portion and a tongue portion located at the tip of the base portion. The first terminal includes a first contact portion, a first connecting portion, a first bending portion, and a first soldering portion that are sequentially connected. The second terminal includes a second contact portion, a second connecting portion, a second bending portion, and a second soldering portion that are connected in order, and the second contact portion and the first contact portion are both fixed to the tongue portion. The first soldering portion and the second soldering portion are soldered to the printed circuit board, and the first bending portion and the second bending portion straddle between the base portion and the tongue portion in a non-contact manner. The metal cover is fixed to the outside of the insulating body, and two similar insertion spaces are formed between the tongue and the metal cover.

  The bending direction of the first bending portion and the bending direction of the second bending portion are opposite.

  The first bending portion includes a first bending and a second bending, and the second bending portion includes a third bending and a fourth bending. The first curve corresponds to the third curve, the second curve corresponds to the fourth curve, the first curve curves away from the second terminal, and the second curve approaches the second terminal. The third curve is bent in a direction away from the first terminal, and the fourth curve is bent in a direction approaching the first terminal.

  The shapes of the first curve, the second curve, the third curve, and the fourth curve are all arcs, the first curve is directly connected to the second curve, and the third curve is a fourth curve. Connected directly. Alternatively, the first curved portion further includes a first straight portion, the first curved portion and the second curved portion are connected by the first straight portion, and the second curved portion further includes a second straight portion, The third curve and the fourth curve are connected by the second straight part.

  Two opposing side walls extend at the tip of the base. The tongue includes a flat plate portion and an extending portion extending from the flat plate portion, and the extending portion is provided between the two opposing side walls.

  The extending portion is narrower than the flat plate portion, and the extending portion is thinner than the flat plate portion.

  A first lateral portion and a second lateral portion are provided at the rear end of the base portion. The printed circuit board is located between the first horizontal portion and the second horizontal portion, and is supported by being sandwiched between the first horizontal portion and the second horizontal portion. The first soldering part and the second soldering part are soldered on the printed circuit board.

  The first horizontal portion and the second horizontal portion are displaced from each other, and one end of the printed circuit board contacts the first horizontal portion.

  The first contact portion is provided with a first positioning point, and the second contact portion is provided with a second positioning point. The first positioning point and the second positioning point are displaced from each other, and the first terminal, the second terminal, and the insulating body are assembled by a single fitting process.

  The present invention can produce the following effects. Unlike the conventional electrical connector, in the electrical connector of the present invention, the insulating body is fixed inside the metal cover, and two similar insertion spaces are formed between the tongue and the metal cover. The first contact part of the first terminal and the second contact part of the second terminal are fixed to the tongue part, and the first curved part of the first terminal and the second curved part of the second terminal are between the base part and the tongue part. By straddling in a non-contact manner, the elasticity of the tongue is increased, the tongue can be easily bent into two similar insertion spaces, and any insertion in the direction opposite to the forward direction of the electrical connector is allowed.

It is a perspective view which shows the electrical connector which concerns on the Example of this invention. It is a figure of the other direction which shows the electrical connector which concerns on the Example of this invention. It is a perspective view which shows the 1st terminal and 2nd terminal of the electrical connector which concern on the Example of this invention. 1 is a perspective view showing a state where an insulating body and a printed circuit board are separated in an electrical connector according to an embodiment of the present invention. 1 is a perspective view illustrating a state where a printed circuit board is assembled to an insulating body in an electrical connector according to an embodiment of the present invention. 1 is a perspective view showing a state where a first terminal, a second terminal, and a printed circuit board are assembled to an insulating body in an electrical connector according to an embodiment of the present invention. In the electrical connector which concerns on the Example of this invention, it is a perspective view of the other direction which shows the state by which the 1st terminal, the 2nd terminal, and the printed circuit board are assembled to the insulation main body. In the electrical connector which concerns on the Example of this invention, it is a figure of the other direction which shows the state by which the 1st terminal, the 2nd terminal, and the printed circuit board are assembled to the insulation main body. In the electrical connector which concerns on the Example of this invention, it is a side view which shows that the 1st curve of a 1st curved part and the 3rd curve of a 2nd curved part are both circular arc shape. In the electrical connector according to the embodiment of the present invention, the first curved portion and the second curved portion of the first curved portion, the third curved portion of the second curved portion and the upper shape of the fourth curved portion are all arc-shaped, It is a perspective view which shows that the shape of the side wall of a 1st curve and a 2nd curve is a straight panel shape. In the electrical connector according to the embodiment of the present invention, the first curved portion and the second curved portion of the first curved portion, the third curved portion of the second curved portion and the upper shape of the fourth curved portion are all arc-shaped, It is sectional drawing which shows that the shape of the side wall of a 1st curve and a 2nd curve is a straight panel shape. It is a perspective view which shows the 2nd Example of the electrical connector of this invention. It is a perspective view which shows the 2nd Example of the electrical connector of this invention. It is a perspective view which shows the 2nd Example of the electrical connector of this invention. It is a perspective view which shows the 2nd Example of the electrical connector of this invention. It is a perspective view which shows the 2nd Example of the electrical connector of this invention.

  In order that the present invention may be understood in more detail, the present invention will be described in more detail below with reference to the drawings of the present invention and specific embodiments. It should be noted that a given part is “fixed” to another part if the given part is fixed directly to the other part or indirectly via one or more parts. Means fixed. Similarly, when a given part is “connected” to another part, the given part is directly connected to the other part or indirectly connected via one or more parts. Means that. The terms “vertical”, “horizontal”, “left”, “right” or similar terms described in the present invention indicate the direction of the drawings, but do not limit the present invention.

  If there is no special explanation, the meanings of technical terms and scientific terms described in the specification of the present invention are those commonly understood by general engineers in this technical field. Further, the terms described in the specification of the present invention are for describing specific embodiments of the present invention, but are not intended to limit the present invention. As used herein, the term “and / or” includes any combination of one or more of the associated items listed.

  1 to 8, the electrical connector 20 includes a printed circuit board 21, an insulating body 22, a first terminal 23, a second terminal 24, and a metal cover 25.

  The insulating main body 22 includes a base 221 and a tongue 222 positioned at the tip of the base 221. The 1st terminal 23 contains the 1st contact part 231, the 1st connection part 232, the 1st bending part 233, and the 1st soldering part 234 connected in order. The second terminal 24 includes a second contact portion 241, a second connecting portion 242, a second bending portion 243, and a second soldering portion 244 that are sequentially connected. Both the first contact portion 231 and the second contact portion 241 are fixed to the tongue portion 222, and the first soldering portion 234 and the second soldering portion 244 are soldered to the printed circuit board 21, and the first bending portion 233 The second curved portion 243 extends between the base portion 221 and the tongue portion 222 in a non-contact manner. The metal cover 25 is fixed to the outside of the insulating body 22, and two similar insertion spaces 251 are formed between the tongue portion 222 and the metal cover 25. Since the first bending portion 233 and the second bending portion 243 straddle between the base portion 221 and the tongue portion 222 in a non-contact manner, the elasticity of the tongue portion 222 is increased and the tongue portion 222 is easily elastically deformed. be able to. Further, two similar insertion spaces 251 are formed between the tongue portion 222 and the metal cover 25, and the tongue portion 222 is positioned between the two similar insertion spaces 251, so that another electrical connector is inserted into the insertion space 251. When the tongue portion 222 is bent into any one insertion space, the insertion of the electrical connector 20 in the direction opposite to the normal direction can be realized.

  It should be noted that the first contact portion 231, the first connecting portion 232, the first bending portion 233, and the first soldering portion 234 are the second contact portion 241, the second connecting portion 242, and the second bending portion 243, respectively. And corresponding to the second soldering portion 244. In the present embodiment, the bending direction of the first bending portion 233 and the bending direction of the second bending portion 243 are opposite. In another embodiment, a plurality of curves are formed in each of the first bending portion 233 and the second bending portion 243, and the bending curve of the second bending portion 243 corresponding to the bending direction of each bending of the first bending portion 233. A configuration in which the directions are opposite to each other may be employed. For example, the first bending portion 233 includes a first bending 2331 and a second bending 2332, the second bending portion 243 includes a third bending 2431 and a fourth bending 2432, and the first bending 2331 corresponds to the third bending 2431. The second curve 2332 corresponds to the fourth curve 2432. Further, the first curve 2331 curves in a direction away from the second terminal, the second curve 2332 curves in a direction approaching the second terminal, the third curve 2431 curves in a direction away from the first terminal, and the fourth curve. 2432 curves in a direction approaching the first terminal. In the present embodiment, as shown in FIG. 9, the first curve 2331, the second curve 2332, the third curve 2431, and the fourth curve 2432 are all arc-shaped. In addition, the first curve 2331 and the second curve 2332 are directly connected, and the third curve 2431 and the fourth curve 2432 are directly connected, so that the first curve 233 and the second curve 243 are both connected. The “S” effect is produced. Alternatively, as shown in FIGS. 10 and 11, the first bending portion 233 further includes a first straight portion, the second bending portion 243 further includes a second straight portion, and the first bending 2331 and the second bending 2332 are first. The third straight line 2431 and the fourth curved line 2432 may be connected by the second straight part. The first curve 2331, the second curve 2332, the third curve 2431, and the fourth curve 2432 may all be arc shapes.

  Two opposing side walls 2211 extend at the tip of the base 221. The tongue portion 222 includes a flat plate portion 2222 and an extending portion 2221 extending from the flat plate portion 2222. The extending portion 2221 is provided between two opposing side walls 2211. In this embodiment, it is preferable that the extending portion 2221 is narrower than the flat plate portion 2222 and the extending portion 2221 is thinner than the flat plate portion 2222.

  A first horizontal portion 2212 and a second horizontal portion 2213 are provided at the rear end of the base portion 221. The printed circuit board 21 is positioned between the first horizontal portion 2212 and the second horizontal portion 2213, and is fixed on the base portion 221 by being sandwiched and supported by the first horizontal portion 2212 and the second horizontal portion 2213. The The first soldering part 234 and the second soldering part 244 are soldered on the printed circuit board 21. In the present embodiment, the positions of the first horizontal portion 2212 and the second horizontal portion 2213 are shifted from each other, and the printed circuit board 21 contacts the first horizontal portion 2212.

  The first contact portion 231 is provided with a first positioning point 2315, and the second contact portion 241 is provided with a second positioning point. The first positioning point and the second positioning point have an effect of determining the position when the electrical connector 20 is manufactured. In this embodiment, the first positioning point and the second positioning point are displaced from each other.

  12 to 16 are structural views showing the second embodiment. A first projecting portion 2221 and a second projecting portion 2222 are formed at the front end of the tongue 222 so as to extend into two insertion spaces, respectively. When the tongue 222 moves to the first terminal 23 side because the first protrusion 2221 is positioned between the first terminal 23 and the metal cover 25, the first protrusion 2221 The effect of ensuring the space between the cover 25 and the first terminal 23 and the metal cover 25 is increased, and the insertion / extraction output of the printed circuit board 21 and the positive direction of the first terminal 23 are increased. The acting force can be increased. Similarly, when the second protrusion 2222 is positioned between the second terminal 24 and the metal cover 25 and the tongue 222 moves to the second terminal 24 side, the second protrusion 2222 24 and the metal cover 25 are secured, the pressure-resistant distance between the second terminal 24 and the metal cover 25 is increased, and the insertion / extraction output of the printed circuit board 21 and the second terminal 24 are increased. The positive direction acting force can be increased.

  Specifically, the number of the first protrusions 2221 is at least two, and the first contact part of the first terminal is located between at least two first protrusions 2221. That is, at least two first protrusions 2221 are disposed on both sides of the first contact portion of the first terminal. The number of the second protrusions 2222 is at least two, and the second contact portion of the second terminal is located between at least two second protrusions 2222.

  A stop plate 2223 extending to the insertion space 251 is formed at the rear end of the tongue 222. The stop plate 2223 can prevent the article from entering from the outside, and can prevent the article from the outside from coming into direct contact with the exposed portions of the first terminal 23 and the second terminal 24. In particular, when the external article is a conductive article, for example, a metal piece, the metal piece and the exposed portions of the plurality of first terminals 23 or the exposed portions of the plurality of second terminals 24 are in direct contact. Therefore, the first terminal 23 or the second terminal 24 may be in a short circuit state. The stop plate 2223 can also prevent the tongue from changing excessively when the electrical connector is inserted in the forward or reverse direction. Specifically, the number of stop plates 2223 is two, which are a first stop plate and a second stop plate, respectively. The first stopper plate is formed to extend from one surface of the tongue 222 to one of the two insertion spaces 251, and the second stopper plate is formed from the other surface of the tongue 222 to the two insertion spaces 251. Of these, the other is formed by stretching. Neither the first stop plate nor the second stop plate is in contact with the metal cover. In the present embodiment, it is preferable that the distance between the top of the first stopper plate and the top of the second stopper plate and the inner surface of the metal cover 25 is less than 1 mm.

  The electrical connector 21 further includes a printed circuit board 26. The printed circuit board 26 is provided with a connection area (not shown), and both the first soldering part and the second soldering part are soldered to the connection area. When the first soldering portion and the second soldering portion are soldered to the connection area, the first soldering portion, the second soldering portion, and the printed circuit board 26 become conductive. The metal cover 25 is extended with a grounding leg 252 for quickly removing static electricity from the metal cover. The printed circuit board 26 is further provided with a grounding area 261, and the grounding leg 252 is connected to the grounding area 261. The grounding leg 252 and the grounding area 261 form a conductive path of the metal cover, and the conductive path can quickly remove static electricity from the metal cover 25.

  In an embodiment of the present invention, the insulating body is fixed inside the metal cover, and two similar insertion spaces are formed between the tongue and the metal cover. The first contact part of the first terminal and the second contact part of the second terminal are fixed to the tongue part, and the first curved part of the first terminal and the second curved part of the second terminal are between the base part and the tongue part. By straddling in a non-contact manner, the elasticity of the tongue is increased, the tongue can be easily bent into two similar insertion spaces, and an insertion function in the direction opposite to the forward direction of the electrical connector can be realized. .

  It should be noted that although the preferred embodiment of the present invention has been described in detail with reference to the specification and drawings of the present invention, the present invention can be implemented by various embodiments different from the above-described embodiments. The invention is not limited to the configuration of the above-described embodiment. In other words, the above-described embodiments are not intended to limit the present invention, but merely provide a more detailed understanding of the present invention by providing the above-described embodiments. Further, when a plurality of configurations are included in each embodiment, it is a matter of course that all possible combinations of these configurations are within the protection scope of the utility model, even if not specifically described. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the present invention and the scope of the technical idea, and it is obvious that such changes and modifications belong to the scope of the utility model registration request. That is.

Claims (9)

An electrical connector comprising a printed circuit board, an insulating body, a first terminal, a second terminal and a metal cover,
The insulating body includes a base and a tongue located at a tip of the base,
The first terminal includes a first contact portion, a first connection portion, a first bending portion, and a first soldering portion that are connected in order,
The second terminal includes a second contact portion, a second connecting portion, a second bending portion, and a second soldering portion that are connected in order,
The second contact portion and the first contact portion are both fixed to the tongue portion, the first soldering portion and the second soldering portion are soldered to the printed circuit board, the first bending portion and the second bending portion The curved portion straddles the base and the tongue in a non-contact manner,
The electrical connector is characterized in that the metal cover is fixed to the outside of the insulating body, and two similar insertion spaces are formed between the tongue and the metal cover.   The electrical connector according to claim 1, wherein a bending direction of the first bending portion and a bending direction of the second bending portion are opposite to each other. The first bending portion includes a first bending and a second bending, the second bending portion includes a third bending and a fourth bending,
The first curve corresponds to the third curve, the second curve corresponds to the fourth curve, the first curve curves away from the second terminal, and the second curve approaches the second terminal. The electrical connector according to claim 1, wherein the third curve is bent in a direction away from the first terminal, and the fourth curve is bent in a direction approaching the first terminal. The shapes of the first curve, the second curve, the third curve, and the fourth curve are all arcs, the first curve is directly connected to the second curve, and the third curve is a fourth curve. Connected directly or
The first curved portion further includes a first straight portion, the first curved portion and the second curved portion are connected by the first straight portion, the second curved portion further includes a second straight portion, and the third curved portion. The electrical connector according to claim 3, wherein the fourth curve and the fourth curve are connected by a second straight part. Two opposing side walls extend at the tip of the base,
The tongue includes a flat plate portion and an extending portion extending from the flat plate portion, and the extending portion is provided between the two opposing side walls,
The electrical connector according to claim 1, wherein a width of the extending portion is narrower than a width of the flat plate portion, and a thickness of the extending portion is thinner than a thickness of the flat plate portion.   The electrical connector according to claim 1, wherein a first projecting portion and a second projecting portion extending in the two insertion spaces are formed at a front end of the tongue portion. A stop plate extending into the insertion space is formed at the rear end of the tongue,
The number of the stop plates is two and each is a first stop plate and a second stop plate,
The first stopper plate is formed to extend from one surface of the tongue portion to one of the two insertion spaces, and the second stopper plate is formed from the other surface of the tongue portion to the two insertion spaces. The electrical connector according to claim 6, wherein the electrical connector is formed by extending to the other one.   The electrical connector according to claim 7, wherein the distance between the upper part of the first stopper plate and the upper part of the second stopper plate and the inner surface of the metal cover is less than 1 mm. The electrical connector further comprises a printed circuit board;
The printed circuit board is provided with a connection area, and both the first soldering part and the second soldering part are soldered to the connection area,
The printed circuit board is further provided with a ground area,
The electrical connector according to claim 7, wherein a grounding leg is formed on the metal cover, and the grounding leg is connected to the grounding area 261.